﻿


















function cookie(name){      

    

    var cookieArray=document.cookie.split("; "); //得到分割的cookie名值对      

    

    var cookie=new Object();      

    

    for (var i=0;i<cookieArray.length;i++){      

    

       var arr=cookieArray[i].split("=");       //将名和值分开      

    

       if(arr[0]==name)return unescape(arr[1]); //如果是指定的cookie，则返回它的值      

    

    }   

    

    return "";   

    

 }   

    

     

    

 function delCookie(name)//删除cookie  

    

 {  

    

    document.cookie = name+"=;expires="+(new Date(0)).toGMTString();  

    

 }  

    

     

    

 function getCookie(objName){//获取指定名称的cookie的值  

    

     var arrStr = document.cookie.split("; ");  

    

     for(var i = 0;i < arrStr.length;i ++){  

    

         var temp = arrStr[i].split("=");  

    

         if(temp[0] == objName) return unescape(temp[1]);  

    

    }   

    

 }  

    

     

    

 function addCookie(objName,objValue,objHours){      //添加cookie  

    

     var str = objName + "=" + escape(objValue);  

    

     if(objHours > 0){                               //为时不设定过期时间，浏览器关闭时cookie自动消失  

    

         var date = new Date();  

    

         var ms = objHours*3600*1000;  

    

         date.setTime(date.getTime() + ms);  

    

         str += "; expires=" + date.toGMTString();  

    

    }  

    

    document.cookie = str;  

    

 }  

    

     

    

 function SetCookie(name,value)//两个参数，一个是cookie的名子，一个是值  

    

 {  

    

     var Days = 30; //此 cookie 将被保存 30 天  

    

     var exp = new Date();    //new Date("December 31, 9998");  

    

     exp.setTime(exp.getTime() + Days*24*60*60*1000);  

    

     document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();  

    

 }  

    

 function getCookie(name)//取cookies函数          

    

 {  

    

     var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));  

    

      if(arr != null) return unescape(arr[2]); return null;  

    

     

    

 }  

    

 function delCookie(name)//删除cookie  

    

 {  

    

     var exp = new Date();  

    

     exp.setTime(exp.getTime() - 1);  

    

     var cval=getCookie(name);  

    

     if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();  

    

 }  
